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Aug 2022
34m 45s

Underwater volcanoes and lots of salt: A...

American Public Media
About this episode
The ocean is huge and full of wonders, so it's no surprise our listeners have lots of question about it. In this episode we'll travel to the bottom of the ocean to find out what the ocean floor is made of, and learn how geologist Marie Tharp helped us understand how amazing it is. We'll also delve into why the ocean is salty but lakes and rivers aren't, and ... Show More
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